An order level inventory model under two level storage system with fuzzy demand

Deterministic inventory model with two levels of storage has been studied by numerous authors. In this paper we developed a fuzzy inventory model with two ware houses (one is the existing storage known as own warehouse (OW) and the other is hired on rental basis known as rented warehouse (RW). Th...

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Main Authors: Sakrar S., Chakrabarti T.
Format: Article
Language:English
Published: University of Belgrade 2013-01-01
Series:Yugoslav Journal of Operations Research
Subjects:
Online Access:http://www.doiserbia.nb.rs/img/doi/0354-0243/2013/0354-02431300020S.pdf
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author Sakrar S.
Chakrabarti T.
author_facet Sakrar S.
Chakrabarti T.
author_sort Sakrar S.
collection DOAJ
description Deterministic inventory model with two levels of storage has been studied by numerous authors. In this paper we developed a fuzzy inventory model with two ware houses (one is the existing storage known as own warehouse (OW) and the other is hired on rental basis known as rented warehouse (RW). The model allows constant levels of item deterioration in both houses. The stock is transferred from RW to OW in continuous release pattern and the associated transportation cost is taken into account. To make the model more realistic in nature, fuzzy demand has been considered. Using α-cut for defuzzification, the total variable cost per unit time is derived. Therefore, the problem is reduced to crisp annual costs. The multi-objective model is solved by Global Criteria Method supported by GRG (Generalized Reduced Gradient) Technique, which is illustrated by a numerical example.
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spelling doaj.art-83fcb3238a27435c8ae90ea766887ab82022-12-22T03:38:52ZengUniversity of BelgradeYugoslav Journal of Operations Research0354-02431820-743X2013-01-0123224926110.2298/YJOR130111020SAn order level inventory model under two level storage system with fuzzy demandSakrar S.Chakrabarti T.Deterministic inventory model with two levels of storage has been studied by numerous authors. In this paper we developed a fuzzy inventory model with two ware houses (one is the existing storage known as own warehouse (OW) and the other is hired on rental basis known as rented warehouse (RW). The model allows constant levels of item deterioration in both houses. The stock is transferred from RW to OW in continuous release pattern and the associated transportation cost is taken into account. To make the model more realistic in nature, fuzzy demand has been considered. Using α-cut for defuzzification, the total variable cost per unit time is derived. Therefore, the problem is reduced to crisp annual costs. The multi-objective model is solved by Global Criteria Method supported by GRG (Generalized Reduced Gradient) Technique, which is illustrated by a numerical example.http://www.doiserbia.nb.rs/img/doi/0354-0243/2013/0354-02431300020S.pdffuzzy demanddeteriorationdefuzzificationwarehouse
spellingShingle Sakrar S.
Chakrabarti T.
An order level inventory model under two level storage system with fuzzy demand
Yugoslav Journal of Operations Research
fuzzy demand
deterioration
defuzzification
warehouse
title An order level inventory model under two level storage system with fuzzy demand
title_full An order level inventory model under two level storage system with fuzzy demand
title_fullStr An order level inventory model under two level storage system with fuzzy demand
title_full_unstemmed An order level inventory model under two level storage system with fuzzy demand
title_short An order level inventory model under two level storage system with fuzzy demand
title_sort order level inventory model under two level storage system with fuzzy demand
topic fuzzy demand
deterioration
defuzzification
warehouse
url http://www.doiserbia.nb.rs/img/doi/0354-0243/2013/0354-02431300020S.pdf
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